LG Loop GT540 vs TCL 20 5G (T781K)
Side by side comparison between LG Loop GT540 vs TCL 20 5G phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.67"
IPS
IPS
1080x2400
48
MP
MP
8mp
6GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? TCL 20 5G (T781K)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
2 Advantages 
34 Advantages | 11 Common items in both devices |
| Plastic body / Plastic body, glass front |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Accelerometer |
| Proximity sensor |
| Hands-free calling |
| Vibrating alert |
| +4 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| LG Loop GT540 | TCL 20 5G (T781K) | |
| Change model | ||
| Model | Loop GT540 | TCL 20 5G (T781K) |
| Other model names | LG GT540 Loop, LG-GT540 | TCL 20 5G T781K (256GB) |
| Country or region available |  Canada |  (Global, International) |
| Brand | LG | TCL |
| Release date | 5/1/2010 | 11/30/2020 |
| Depth | 12.9 millimeters (0.51 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 109 x 54.5 millimeters (4.29 x 2.15 in) | 76.8 x 166.2 millimeters (3.02 x 6.54 in) |
| Weight | 115 grams (4.03 ounces) | 206 grams (7.21 ounces) |
| Build, materials | Plastic body | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Loop GT540 | TCL 20 5G (T781K) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 3" inches | 6.67" inches |
| Screen-to-body ratio | ~45.1% (screen-to-body ratio) | ~84.2% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 192 PPI | 395 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | 450nits[typ] HDR10 |
🤖 Operating System | ||
| LG Loop GT540 | TCL 20 5G (T781K) | |
| System version | Android 1.6 Donut | Android 10 |
| Firmware update | Android 2.1 Eclair | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Loop GT540 | TCL 20 5G (T781K) | |
| Chipset | 32bit: Qualcomm MSM7227 | 64bit: Qualcomm Snapdragon 690 SM6350 (8nm) |
| CPU | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) | Octa-core, 2 processors: 2x 2GHz Kryo 560 Gold (Dual-core) 6x 1.7GHz Kryo 560 Silver (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 200 | Qualcomm Adreno 619L 950Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Loop GT540 | TCL 20 5G (T781K) | |
| RAM memory | 256MB SDRAM | 6GB LPDDR4X |
| Internal storage | 256MB (130MB available) | 256GB (230GB available) UFS 2.1 |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| LG Loop GT540 | TCL 20 5G (T781K) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 7.2/0.384 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1900 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat18 (1, 3, 5, 7, 8, 20, 26, 28, 32) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 3, 5, 28, 41, 78) |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| LG Loop GT540 | TCL 20 5G (T781K) | |
| Back camera (main camera) | 3.1 megapixels | (triple camera) 48 megapixels 8MP ultrawide f/2.216mm118°1/4"1.12µm 2MP macro f/2.483°1/5"1.75μm |
| Main camera resolution | 2048x1536 pixels | 8000x6000 pixels |
| Video recording (primary) | VGA (640x480) 15 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Loop GT540 | TCL 20 5G (T781K) | |
| Front camera (secondary) | Not supported | 8 megapixels |
| Front camera resolution | Not supported | 3264x2448 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 27mm (lens) |
| Sensor size | feature not registered | 1/4" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| LG Loop GT540 | TCL 20 5G (T781K) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, Xvid, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, WMA | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG Loop GT540 | TCL 20 5G (T781K) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 2.1 + A2DP | 5.1 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG Loop GT540 | TCL 20 5G (T781K) | |
| Sensors | Accelerometer Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Loop GT540 | TCL 20 5G (T781K) | |
| Battery type | LiPo: li-ion polymer (Removable) LGIP-400N | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1500 mAh | 4500 mAh |
| Charger, watts | Wired charging | 18W Wired fast charging Reverse charging by cable Quick Charge 4+ |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 6.3 hours | feature not registered |
| Standby | 500 hours (20.8 days) | feature not registered |
➕ Other features | ||
| LG Loop GT540 | TCL 20 5G (T781K) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Pink • 2GB microSD included • LG 3Way Sync • Java framework | • Colors: Mist Gray, Placid Blue • TCL UI • 2.5D screen • NXTVISION • Screen protector included • TPU case included • Hi-Res audio • 24-bit/192kHz audio |
☢️ Radiation rate | ||
| LG Loop GT540 | TCL 20 5G (T781K) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |